patch 8.2.2716: the equivalent class regexp is missing some characters

Problem:    The equivalent class regexp is missing some characters.
Solution:   Update the list of equivalent characters. (Dominique Pellé,
            closes #8029)
diff --git a/src/version.c b/src/version.c
index 86b0593..d38b6ba 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2716,
+/**/
     2715,
 /**/
     2714,